madcom SMB32 User Manual page 6

private line.
1. System architecture (independent SIM Bank)
As shown in the above figure, several GoIP devices (up to 32
ways) can be connected to the SMB32 through Internet. The
SIM cards installed with the devices are all integrated to the
SMB32 to be controlled and scheduled by the latter.
mode: server mode)
2. System architecture (through SIM Server)
SMB32
Internet
GoIP4
GoIP4
GoIP4
(SIM Bank